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lana [24]
4 years ago
12

If a snack cake contains 450 food calories and Carla

Chemistry
1 answer:
Oksana_A [137]4 years ago
8 0

Answer:

9/10hr

Explanation:

From the question given:

Carla was able to burn 250 calories by running for one-half (1/2)hr.

Therefore, Carla will burn 450calories by running for = (450x1/2) /250 = 225/250 = 9/10hr

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What is the Molar Mass of methylammonium bromide: Use the Periodic Table and round to the nearest hundredths.
egoroff_w [7]

The molar mass of methylammonium bromide is 111u.

<h3>What is molar mass?</h3>

The molar mass is defined as the mass per unit amount of substance of a given chemical entity.

Multiply the atomic weight (from the periodic table) of each element by the number of atoms of that element present in the compound.

Add it all together and put units of grams/mole after the number.

Atomic weight of H is 1u

Atomic weight of N is  14u

Atomic weight of C is  12u

Atomic weight of Br is  79u

Calculating molar mass of  2H_3NCH_3Br =2(1 x3+ 14+12+ 1 x 3 +79) = 111u

Hence, the molar mass of methylammonium bromide is 111u.

Learn more about molar mass here:

brainly.com/question/12127540

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8 0
2 years ago
NEED HELP ASAP
Fantom [35]

Answer:

D. potential

Explanation:

D. potential

5 0
2 years ago
Read 2 more answers
Calculate the kinetic energy of a truck that has a mass of 2900 kg and is moving at 15 ms
avanturin [10]

Answer:

<h2>326,250 J</h2>

Explanation:

The kinetic energy of an object can be found by using the formula

k =  \frac{1}{2} m {v}^{2}  \\

m is the mass

v is the velocity

From the question we have

k =  \frac{1}{2}  \times 2900 \times  {15}^{2}  \\  = 1450 \times 225 \\  = 326250

We have the final answer as

<h3>326,250 J</h3>

Hope this helps you

8 0
3 years ago
What is the ratio of Fe ions to O ions in a neutral compound?
AVprozaik [17]
1:1

Fe has a charge of 2+ while O has a charge of 2-.

Formula: FeO
3 0
3 years ago
Read 2 more answers
The saturation point for a solution is 45.0 grams of solute per 500 grams of solvent. If you pour 50.0 grams of
zheka24 [161]

Answer:

5.00 g  of solute  will remain undissolved at the bottom of the container

Explanation:

From the question, the solubility of the solute in the given solvent is 45.0 grams of solute per 500 grams of solvent.

Now if i pour 50.0 grams of  solute into 800 grams of solvent, it means that only 45 g will dissolve in 500 g of solvent leaving the additional 5 g undissolved.

Hence, 5 g  of solute  will remain undissolved at the bottom of the container.

3 0
3 years ago
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